Topaz Value. Clarity and size have a significant effect on the value of topaz. The highest values go to the rare pink and red stones, then orange and yellow. Intense, reddish orange topaz is sometimes called Imperial Topaz.. Yellow, orange, and brown stones are somewhat common.
Types of Surgical Procedures. There are two types of colon resection: open surgery and laparoscopic surgery. The type of procedure performed depends on the diagnosis and the individual patient. Publication Review By: Stanley J. Swierzewski, III, M.D. Published: 31 Oct 2001.
Sigmoid Colectomy. This is an operation to remove part of the left side of the colon known as the sigmoid colon. It may be performed for patients with a colon cancer, or for certain non-cancerous conditions such as Crohnâs disease, diverticular disease or sometimes as part of surgery performed for rectal prolapse.